| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /* |
| * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. |
| * (http://www.torchmobile.com/) |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_HISTORY_ENTRY_H_ |
| #define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_HISTORY_ENTRY_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "third_party/blink/public/platform/web_common.h" |
| #include "third_party/blink/public/platform/web_vector.h" |
| #include "third_party/blink/public/web/web_history_item.h" |
| |
| namespace blink { |
| |
| class PageState; |
| |
| class BLINK_EXPORT WebHistoryEntry { |
| public: |
| class BLINK_EXPORT HistoryNode { |
| public: |
| HistoryNode(const base::WeakPtr<WebHistoryEntry>& entry, |
| const WebHistoryItem& item); |
| HistoryNode(const HistoryNode&) = delete; |
| HistoryNode& operator=(const HistoryNode&) = delete; |
| ~HistoryNode(); |
| |
| HistoryNode* AddChild(const WebHistoryItem& item); |
| HistoryNode* AddChild(); |
| WebHistoryItem& item() { return item_; } |
| void set_item(const WebHistoryItem& item); |
| WebVector<HistoryNode*> children() const; |
| void RemoveChildren(); |
| |
| private: |
| // When a WebHistoryEntry is destroyed, it takes all its HistoryNodes with |
| // it. Use a WeakPtr to ensure that HistoryNodes don't try to illegally |
| // access a dying WebHistoryEntry, or do unnecessary work when the whole |
| // entry is being destroyed. |
| base::WeakPtr<WebHistoryEntry> entry_; |
| WebVector<std::unique_ptr<HistoryNode>> children_; |
| WebHistoryItem item_; |
| }; |
| |
| explicit WebHistoryEntry(const WebHistoryItem& root); |
| WebHistoryEntry(); |
| WebHistoryEntry(const WebHistoryEntry&) = delete; |
| WebHistoryEntry& operator=(const WebHistoryEntry&) = delete; |
| ~WebHistoryEntry(); |
| |
| const WebHistoryItem& root() const { return root_->item(); } |
| HistoryNode* root_history_node() const { return root_.get(); } |
| |
| private: |
| std::unique_ptr<HistoryNode> root_; |
| |
| base::WeakPtrFactory<WebHistoryEntry> weak_ptr_factory_{this}; |
| }; |
| |
| BLINK_EXPORT PageState HistoryEntryToPageState(WebHistoryEntry* entry); |
| BLINK_EXPORT PageState SingleHistoryItemToPageState(const WebHistoryItem& item); |
| BLINK_EXPORT std::unique_ptr<WebHistoryEntry> PageStateToHistoryEntry( |
| const PageState& state); |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_HISTORY_ENTRY_H_ |